Re: 3TB disk hassles
From: Andries Brouwer
Date: Fri Dec 17 2004 - 19:19:11 EST
On Thu, Dec 16, 2004 at 04:00:36PM +0000, Alan Cox wrote:
> Remember you don't need a partition table. You can just leave the volume
> unpartitioned. You can also use other partition formats providing you
> don't need the BIOS boot gunk to boot off that volume.
One can use a standard DOS-type partition table, and pick a new type -
I reserved 88 for this purpose today - where type 88 indicates a
plaintext partition table found elsewhere on the disk.
Where is elsewhere? In the starting sector of the type 88 partition
(that can have length 1).
This allows one to have the initial part of the disk (at most 2 TB)
partitioned in old-fashioned manner.
The plaintext partition table is just a table with lines
that one can edit with emacs or vi.
There is magic to recognize it, namely the line
"# Plaintext partition table"
and magic to indicate the end of the table, namely "# end".
That is all. If anybody wants it I can send the trivial code.
(Am using it now, but unfortunately I do not have 3 TB disks.)
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